Bert W. Piper

UN Unknown: 3 patents #7,366 of 83,584Top 9%

📍 Romulus, MI: #12 of 86 inventorsTop 15%

🗺 Michigan: #18,390 of 86,293 inventorsTop 25%

Overall (All Time): #1,064,994 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
4575713	Disturbance alarm	—	1986-03-11
4311983	Vehicle parking signal device	—	1982-01-19
4289434	Portable key seat cutter for shafts	—	1981-09-15
4284377	Portable key seat cutter	—	1981-08-18
4243989	Vehicle antenna	—	1981-01-06