Patent 2389868, filed by inventor Harold Olson in 1944, represents a noteworthy contribution to technology. While specific details are not available in my training data, patents from this era often involved innovations relevant to World War II. Olson's patent likely addressed advancements in manufacturing, materials, or machinery. During this period, patents played a crucial role in supporting wartime efforts by fostering technological progress. Olson's invention would have contributed to the broader landscape of innovation during a pivotal historical moment.

Measuring 24" by 36" each poster fits standard poster frames with ease and are perfect for custom framing. Each print comes hand rolled and ships in a rigid box for added protection. Your poster will be printed with premium long lasting inks on the finest photographic paper for rich saturation and fine detail. The paper we use is an ultra premium luster photo paper - slightly glossy (between a gloss and matte finish). The paper weight is 7.67 oz/y² (260 g/m²) - 0.25 mm thick. 

• Measurements: 24" wide by 36" high
• 10 mil (0.25 mm) thick
• Paper weight: 260 g/m²
• Slightly glossy
• Fingerprint resistant
• Paper sourced from Japan

Delivery times vary from country to country. On average customers in the USA and Europe should expect your poster to arrive in 4-8 days business days. Depending on your order destination and fulfillment location certain tax/vat may be required (eg. VAT in the UK).