Richard L. Pitchford

TL The Singer Company Limited: 2 patents #142 of 510Top 30%

📍 Beacon, NY: #139 of 281 inventorsTop 50%

🗺 New York: #48,759 of 115,490 inventorsTop 45%

Overall (All Time): #2,373,583 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4221473	Image expander for rear-screen projectors	—	1980-09-09
4206985	Filmstrip projector take-up	—	1980-06-10