Frederic E. Langford

📍 Redmond, WA: #2,484 of 8,547 inventorsTop 30%

🗺 Washington: #19,482 of 76,902 inventorsTop 30%

Overall (All Time): #1,062,385 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
4953919	Track suspension system	—	1990-09-04
4823852	Tree feller-buncher	—	1989-04-25
4763742	Tree feller-buncher	—	1988-08-16
4353527	System for inhauling and outhauling lines	—	1982-10-12
4295636	System for inhauling and outhauling lines	—	1981-10-20